ref:
http://www.mono-project.com/docs/getting-started/install/linux/#debian-ubuntu-and-derivatives
http://alvin1016.blogspot.tw/2015/03/ubuntunetmono.html
========================================================================
sudo apt-get install mono-complete
sudo apt-get install mono-runtime
# sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
# echo "deb http://download.mono-project.com/repo/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
# sudo apt-get update
get Error :
GPG error: http://hyperrate.com eliu Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5C577D59835AB0E3
# sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 5C577D59835AB0E3
try again
# sudo apt-get update
# echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | sudo tee -a /etc/apt/sources.list.d/mono-xamarin.list
# sudo apt-get install mono-devel mono-complete referenceassemblies-pcl
=======================================================================
testing mono (hello.cs)using System;
public class HelloWorld
{
static public void Main ()
{
Console.WriteLine (" Mono Mono ");
}
}
compile
# mcs hello.cs
Run hello.exe
# mono hello.exe
YO~~~~~~~ it's working ~~~~~